const SYSTEM_INFO=uni.getSystemInfoSync();
export const getStatusBarHeight=()=>SYSTEM_INFO.statusBarHeight || 15;
export const getTitleBarHeight =()=>{
	 if(uni.getMenuButtonBoundingClientRect	){
		 let {top,height}=uni.getMenuButtonBoundingClientRect();
		  return (top-getStatusBarHeight())*2 + height;
		
	 }else{
		 return 40;
	 }
 }
 export const getNavBarHeight =()=> getStatusBarHeight()+getTitleBarHeight();
 export const getLeftIconLeft = ()=> {
 	// #ifdef MP-TOUTIAO
 		let {leftIcon:{left,width}}  = tt.getCustomButtonBoundingClientRect();
 		return left+ parseInt(width);
 	// #endif
 	
 	// #ifndef MP-TOUTIAO
 		return 0
 	// #endif	
 }